Panasonic PT-CW330U Operations Manual download pdf (Page 23)

Setting up

ENGLISH -

Getting Started

Projection distance for PT-CX300E

For 4:3 aspect ratio (unit: m)

(There maybe some errors in the dimensions shown in the table below.)

Projection size

Throw

distance A

Throw

distance B

Projector top to

Bottom of the

screen

Projector bottom to

Bottom of the screen

Diagonal (SD) Height (SH) Width (SW)

1.524 (60") 0.914 1.219 0.523 0.188 0.182 0.257

1.778 (70") 1.067 1.422 0.617 0.282 0.225 0.300

2.032 (80") 1.219 1.626 0.711 0.376 0.268 0.343

2.286 (90") 1.372 1.829 0.805 0.470 0.311 0.386

For 16:10 aspect ratio (unit: m)

(There maybe some errors in the dimensions shown in the table below.)

Projection size

Throw

distance A

Throw

distance B

Projector top to

Bottom of the

screen

Projector bottom to

Bottom of the screen

Diagonal (SD) Height (SH) Width (SW)

1.524 (60") 0.747 1.328 0.573 0.238 0.312 0.387

1.778 (70") 0.872 1.550 0.676 0.340 0.387 0.462

2.032 (80") 0.996 1.771 0.778 0.443 0.463 0.538

Calculation formulas for projection distance

Any other projection distance can be obtained according to the screen dimensions (m) using the following

calculations.

The calculation result is with the "m" unit. (The calculated distance below may contain a certain error.) If the

screen dimensions are written as "SD",

For 16:9 aspect ratio For 4:3 aspect ratio

Screen height (SH) = SD × 0.6 = SD × 0.490

Screen width (SW) = SD × 0.8 = SD × 0.872

Throw distance A = 0.3700 × SD

0.04150 = 0.4037 × SD

0.04202

Attention

In order to maintain the performance of the lens, please set up the Throw diatance A between 0.523 m to 0.805 m.

Note

The throw ratio is 0.44:1 when the projection size is 80 inch.

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Panasonic PT-CW330U Operations Manual Page 23

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